Finding the Third Proportional to 128,745 and 185,736.38

Step by Step Solution

1. Step 1: Write the proportion equation
   128,745 : 185,736.38 = 185,736.38 : x
2. Step 2: Convert to fraction form
   128,745/185,736.38 = 185,736.38/x
3. Step 3: Cross multiply
   128,745x = 185,736.38 × 185,736.38
4. Step 4: Simplify right side
   128,745x = 34,498,000,998.14
5. Step 5: Solve for x
   x = 34,498,000,998.14/128,745
6. Step 6: Final answer
   x = 267,956.04